Two Pratt graduate students, Alex Crawford and Austin Nelson, decided their lives—or studies, anyway—wouldn't be quite complete without having built a Rube Goldberg Machine of their very own. But it's not just a bunch plinking and plopping for its own sake; this complex contraption actually begins and ends with a photograph.

It took about 30 hours to construct their fancy photo booth, which takes about 30 seconds to run its course. Here's all its domino-and-marble'd brilliance, captured both up close and from afar with a Canon 5D Mark ii. [Mathias Crawford via BoingBoing]